1. Product Overview
The SINOTIMER DDS6619 Series is a high-precision, multi-functional smart energy meter designed for comprehensive electrical parameter monitoring and energy management. This series includes three advanced models: the standard DDS6619, the DDS6619L with RS485 communication, and the DDS6619WF with WiFi remote control. These meters enable users to monitor, analyze, and optimize energy consumption in real time, making them ideal for residential, commercial, and industrial applications.
The device features an 8-in-1 monitoring capability, providing real-time data for Voltage, Current, Power, Power Factor, Frequency, Active Energy, Keep Time, and Temperature on a clear 0.96-inch color screen.
2. Safety Information
- Installation and maintenance should only be performed by qualified personnel.
- Always disconnect power before installation or wiring to prevent electric shock.
- Ensure all wiring connections are secure and correct according to the wiring diagram.
- Do not exceed the specified voltage and current ranges of the device.
- The device is designed for indoor use. Avoid exposure to moisture, extreme temperatures, or corrosive environments.
- This device is not intended for life support applications.
- The product is flame retardant (PC-retarded fuel).
3. Package Contents
- 1x SINOTIMER DDS6619 Series Energy Meter (specified model)
- 1x User Manual (English)
4. Specifications
The DDS6619 series offers precise measurement and robust performance. Refer to the table below for detailed parameters.
| Parameter | DDS6619 | DDS6619L | DDS6619WF |
|---|---|---|---|
| Model Number | DDS6619 | DDS6619L | DDS6619WF |
| Voltage Range | AC 85-290V | AC 85-290V | AC 85-290V |
| Current Range | 0-40A | 0-40A | 0-40A |
| Power Range | 0-12KW | 0-12KW | 0-12KW |
| Timing Range | 99 days | 99 days | 99 days |
| Electric Energy Range | 0-9999KWH | 0-9999KWH | 0-9999KWH |
| Temperature Range | -20~150°C | -20~150°C | -20~150°C |
| Frequency Range | 50-60HZ | 50-60HZ | 50-60HZ |
| Power Factor | 0.00~1.00PF | 0.00~1.00PF | 0.00~1.00PF |
| Blackout Memory | YES | YES | YES |
| Overvoltage Protection | YES | YES | YES |
| Undervoltage Protection | YES | YES | YES |
| Overtemperature Protection | YES | YES | YES |
| Timing Switch | NO | NO | APP on |
| Screen Brightness | YES | YES | YES |
| Screen Flip | YES | YES | YES |
| Battery Clearing | YES | YES | YES |
| Clock Reset | YES | YES | YES |
| Wi-Fi | NO | NO | YES |
| Graph | NO | On the PC | APP on |
| 485 Communication | NO | YES | NO |
* All data and parameters are for reference only.
General Specifications:
- Brand Name: SINOTIMER
- DIY Supplies: Electrical
- Certification: CE
- Origin: Mainland China
- Display Type: Digital Only
- Accuracy Class: 1
- Power Supply: AC
- Dimensions: 84*24*50mm (approximate, refer to product size image)
- Operating Temperature: -10°C ~ +60°C
- Battery Included: No
- High-concerned chemical: None
5. Installation and Setup
5.1 Mounting
The DDS6619 series meters are designed for DIN-rail mounting, ensuring easy installation in standard distribution boxes without the need for screws or fasteners.
5.2 Wiring Diagram
Proper wiring is crucial for safe and accurate operation. Follow the diagram below carefully. Ensure the measured voltage and current do not exceed the calibration range of the device.
- Input: Connect the main AC power supply to the 'N' (Neutral) and 'L' (Live) input terminals at the top.
- Output (Exportation): Connect your load (e.g., fan, light bulb) to the 'N' (Neutral) and 'L' (Live) output terminals at the bottom.
- NTC: The NTC terminal is for temperature sensing.
- RS485 (DDS6619L only): The RS485 interface is located at the top for communication.
- Important: Be sure to connect the cables correctly. The device is suitable for indoor use and communication.
6. Operating Instructions
6.1 Display Overview
The 0.96-inch color screen provides a clear, high-contrast display of all measured parameters. The display includes:
- ON/OFF State: Indicates the current power status.
- WiFi Icon: (DDS6619WF only) Shows WiFi connectivity status.
- Voltage (V): Real-time voltage reading.
- Electric Current (A): Real-time current reading.
- Active Power (W): Real-time power consumption.
- Electric Energy (Kwh): Accumulated energy consumption.
- Keep Time (T): Operating time.
- Power Factor (PF): Power factor value.
- Sensor Temperature (°C): Temperature reading from the NTC sensor.
6.2 Basic Operation
- Power ON/OFF: Use the physical 'ON/OFF' button on the device to manually switch the power.
- Navigation Buttons (+/-): Use these buttons to cycle through different display modes or adjust settings if applicable.
- Screen Brightness/Flip: The device supports screen brightness adjustment and screen flip for optimal viewing.
- Data Clearing: Options for Battery Clearing and Clock Reset are available.
6.3 Connectivity (DDS6619L & DDS6619WF)
6.3.1 DDS6619L (RS485 Communication)
The DDS6619L model integrates MODBUS-RTU protocol, allowing for industrial automation and centralized energy management systems. Connect via the RS485 interface for data acquisition and control from a PC or other compatible systems. This model provides graph data on a PC.
6.3.2 DDS6619WF (WiFi Remote Control)
The DDS6619WF model offers seamless smartphone control via the Tuya Smart Life app (available on iOS/Android). This enables:
- Remote Monitoring: Access real-time data globally from your smartphone.
- Smart Scheduling: Set timers, countdowns, and automation rules for connected devices. The timing switch function is controlled via the app.
- Alerts & Notifications: Configure custom thresholds for voltage, current, or temperature anomalies to receive instant alerts.
- Multi-Party Control: Share control of the device with multiple users or manage multiple devices from a single app.
7. Maintenance
- Cleaning: Use a soft, dry cloth to clean the device. Do not use abrasive cleaners or solvents.
- Firmware Updates: For WiFi models, ensure the Tuya Smart Life app is updated to the latest version to receive potential firmware updates for the meter.
- Regular Checks: Periodically check wiring connections for tightness and signs of wear or damage.
- Environmental Conditions: Ensure the operating environment remains within the specified temperature and humidity ranges to prolong device lifespan.
8. Troubleshooting
- No Display/Power:
- Check the main power supply to the device.
- Verify all wiring connections are secure and correct.
- Incorrect Readings:
- Ensure the wiring is correct (Live and Neutral lines are not swapped).
- Confirm the load is within the specified current and voltage ranges.
- WiFi Connection Issues (DDS6619WF):
- Ensure your router is within range and has a stable 2.4GHz WiFi network.
- Check if the device is in pairing mode (refer to app instructions for pairing).
- Restart the device and your router.
- RS485 Communication Failure (DDS6619L):
- Verify RS485 wiring polarity (A/B).
- Check communication settings (baud rate, parity, stop bits) on your PC or master device.
- Overload/Protection Triggered:
- The device has built-in overvoltage, undervoltage, and overtemperature protection. If triggered, identify and resolve the cause of the electrical anomaly. The device will typically reset once conditions return to normal.
9. User Tips
- Compatibility with Breakers: The DDS6619 series is rated for 0-40A. It can be safely installed in a home electrical system with a 32 Amp differential breaker, as 32A falls within the device's operational current range. Always ensure the total load does not exceed the meter's maximum current rating.
- Remote Control Convenience: For the DDS6619WF model, leverage the Tuya Smart Life app's scheduling features to automate power control for appliances, optimizing energy usage and convenience.
- Data Logging: Utilize the data logging capabilities (PC for DDS6619L, app for DDS6619WF) to track long-term energy consumption patterns and identify areas for efficiency improvement.
10. Warranty and Support
SINOTIMER products are manufactured to high-quality standards. For specific warranty details, please refer to the product packaging or contact your retailer. For technical support, please reach out to SINOTIMER customer service through their official channels.
